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LH1550

Features: • Normally Open, Single Pole Single Throw Operation• Control 350 VAC or DC Voltage• Switch 100 mA Loads• LED Control Current, 2.5 mA• Low ON-Resistance, 37 Typ. at 100 mA• Isolation Test Voltage, 3750 VACRMS• Current Limit Protection• Unde...

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SeekIC No. : 004394098 Detail

LH1550: Features: • Normally Open, Single Pole Single Throw Operation• Control 350 VAC or DC Voltage• Switch 100 mA Loads• LED Control Current, 2.5 mA• Low ON-Resistance, 37 T...

LH1550 Data Sheet

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Part Number:
LH1550
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Normally Open, Single Pole Single Throw Operation
• Control 350 VAC or DC Voltage
• Switch 100 mA Loads
• LED Control Current, 2.5 mA
• Low ON-Resistance, 37 Typ. at 100 mA
• Isolation Test Voltage, 3750 VACRMS
• Current Limit Protection
• Underwriters Lab File # E52744


Application

• Telephone Switch Hook
• High Voltage Test Equipment
• TRIAC Driver
• Motor Control
• Industrial Control Systems


Specifications

Emitter
Reverse Voltage ..................................................................5.0 V
Continuous Forward Current .............................................50 mA
Peak Forward Current (1s) ..................................................1 A
Power Dissipation............................................................100 mW
Derate Linearly from 25°C........................................1.3 mW/°C
Detector
Output Breakdown Voltage.................................................350 V
Continous Load Current ..................................................100 mA
Total Power Dissipation ..................................................300 mW
Derate Linearly from 25°C.......................................See Figure 4
Package
Isolation Test Voltage.............................................3750 VACRMS
Power Dissipation...........................................................400 mW
Derate Linearly from 25°C........................................2.5 mW/°C
Isolation Resistance
VIO=500 V, TA=25°C......................................................1012
VIO=500 V, TA=100°C....................................................1011
Storage Temperature Range ..............................40 to +150°C
Operating Temperature Range..............................40 to +85°C
Junction Temperature....................................................... 100°C
Soldering Temperature, 2 mm from case, 10 sec.............. 260°C


Description

The LH1550 is a single pole single throw (SPST), normally open (NO), solid state relay. The relay can control AC or DC loads currents up to 100 mA, with a supply voltage up to 350 V. The LH1550 is packaged in a six pin 0.3 inch dualin line package. This package offers an insulation dielectric withstand of 3750 VRMS.

The LH1550 consists of a AlGaAs LED that is optically coupled to a dielectrically isolated photodiode array which drives two series connected high voltage MOS transistors. The typical ON-Resistance is 37 at 25 mA and is linear up to 50 mA. There is built-in current limiting circuitry in the detector chip, enabling it to pass FCC 68-302 and other regulatory voltage surge requirements when over voltage protection is provided.




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